Finding the Fourth Proportional to 211,453,480.40, 317,195,507.66 and 88,508,147.99
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Solution
The fourth proportional to 211,453,480.40, 317,195,507.66 and 88,508,147.99 is: 132,768,620.69
Step by Step Solution
- Step 1: Write the proportion equation
211,453,480.40 : 317,195,507.66 = 88,508,147.99 : x - Step 2: Convert to fraction form
211,453,480.40/317,195,507.66 = 88,508,147.99/x - Step 3: Cross multiply
211,453,480.40x = 317,195,507.66 × 88,508,147.99 - Step 4: Simplify right side
211,453,480.40x = 28,074,386,931,705,936 - Step 5: Solve for x
x = 28,074,386,931,705,936/211,453,480.40 - Step 6: Final answer
x = 132,768,620.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.